One vertex per element, one color per generator, with an edge from x to x·s.
(3,4)(6,7)(9,10,15,17)(11,18,12,14)(13,21,23,16)(19,22,20,24)(25,26,30,34)(27,32,28,31)(29,33,38,37)(35,40,36,39)(1,2,5,8)(3,6,4,7)(9,10,15,17)(11,18,12,14)(13,16,23,21)(19,24,20,22)(25,26)(27,31)(28,32)(29,33)(30,34)(35,39)(36,40)(37,38)(1,3,5,4)(2,6,8,7)(9,11,15,12)(10,14,17,18)(13,19,23,20)(16,22,21,24)(25,26)(27,31)(28,32)(29,37)(30,34)(33,38)(35,40)(36,39)(1,2)(3,6)(4,7)(5,8)(9,12,15,11)(10,14,17,18)(13,20,23,19)(16,22,21,24)(25,27,30,28)(26,31,34,32)(29,35,38,36)(33,39,37,40)(1,4,5,3)(2,7,8,6)(9,13,15,23)(10,16,17,21)(11,19,12,20)(14,22,18,24)(25,28,30,27)(26,32,34,31)(29,36,38,35)(33,40,37,39)(9,14)(10,11)(12,17)(13,22)(15,18)(16,19)(20,21)(23,24)(25,29)(26,33)(27,35)(28,36)(30,38)(31,39)(32,40)(34,37) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.